124.Your 17 and 181 U.S. Navy Dept. issued war warnings to all vessels to remain in port. This hampered British Ships in U.S. ports and caused some British Ships to take refuge in port. Matter has now been rectified and traffic South of New York proceeding in accordance with my 122 north of New York no change. Approach routes for U.S. ports must necessarily be made in accordance with U.S. Navy Dept. and your 1230 7th June conflicts with that already issued.2

Footnote 2: For a breakdown of approach routes for ships sailing to the United States, see: Benson to Sims, 1 June 1918. The Admiralty’s memorandum of 7 June has not been found. On 6 August, at the request of the British Admiralty, the Office of the Chief of Naval Operations sent a list of “further approach routes for North America and Canada.” See, Office of Chief of Naval Operations to Sims, 6 August 1918, DNA RG 45, Entry 517B.